``` @Configuration public class FeignConfig { @Bean public Retryer feignRetryer(){ return new Retryer.Default(100, TimeUnit.SECONDS.toMillis(1), 5); } } ``` ``` @Component public class HiHystrix implements EurekaClientFeign { @Override public String sayHiFromClientEureka(String name) { return "hi, "+name+", sorry, errer"; } } ```